Table 1.

Illustration of risk reclassification tables

	Expanded model
Baseline model	0–5%	5–20%	>20%	Total
All subjects (n = 10 000)
0–5%	5558	437	25	6020
5–20%	1036	1095	386	2517
>20%	40	329	1094	1463
Total	6634	1861	1505	10000
Events only (n = 1017)
0–5%	72	38	4	114
5–10%	21	105	114	240
>20%	0	33	630	663
Total	93	176	748	1017
Non-events only (n = 8983)
0–5%	5486	399	21	5906
5–20%	1015	990	272	2277
>20%	40	296	464	800
Total	6541	1685	757	8983

The original table proposed by Cook² included all subjects (top panel). Pencina et al.⁵ proposed separate tables for events and non-events (middle and bottom panels). Event-NRI = 10.0%, non-event-NRI = 7.4% and NRI = 17.4%.